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hi my matrix=12x5, i need to subtract all these and finally get 12x1 i.e 12x1-12x2, result of (12x1-12x2)-12x3,then result of ((12x1-12x2)-12x3)-12x4..................so on

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kaavya subramani 2016-12-29

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https://ww2.mathworks.cn/matlabcentral/answers/318476-hi-my-matrix-12x5-i-need-to-subtract-all-these-and-finally-get-12x1-i-e-12x1-12x2-result-of-12x1

回答： Roger Stafford 2016-12-29

采纳的回答： Ahmed raafat

plz help me with matlab code

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Ahmed raafat 2016-12-29

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you said that your matrix is 5 cols so (your matrix variable is mat

out=mat(:,1);  
for i=2:5
    out=out-mat(:,i);
end

This worked for me alot

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Roger Stafford 2016-12-29

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Let M be your 12 by 5 matrix and V your result.

V = M(:,1)-sum(M(:,2:end),2);

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